Mx

a title of respect prefixed to a person's surname: unlike Mr., Mrs., or Ms., it does not indicate gender and may be used by a person with any or no specific gender identity.

Origin of Mx.

1975–80; M (as in Mr./Mrs./Ms.) + x (symbol for an unknown quantity, person, or thing)

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use Mx in a sentence

DRNs are more human than the MX-43s not only in appearance, but in psychology as they have been equipped with a “Synthetic Soul.”
‘Almost Human’ Review: A Dystopian Future That We’ve Seen Before|Chancellor Agard|November 17, 2013|DAILY BEAST
But there is a solution: Every officer is partnered with a MX-43, which is “an advanced, combat-model android.”
‘Almost Human’ Review: A Dystopian Future That We’ve Seen Before|Chancellor Agard|November 17, 2013|DAILY BEAST
But under the direction of MX-3401, nearly all the machines worked on a single great plan.
The Last Evolution|John Wood Campbell
Behind the mandibles a pair of simple processes has appeared, which forms the rudiment of the first pair of maxill (mx).
The Works of Francis Maitland Balfour, Volume II (of 4)|Francis Maitland Balfour

A few of the documents bearing on this subject are: Ramrez, Mx., 246; Ho.
The War With Mexico, Volume I (of 2)|Justin H. Smith
It sends forward on each side a superior maxillary process (mx) which partially forms the anterior margin of the mouth.
The Works of Francis Maitland Balfour, Volume III (of 4)|Francis Maitland Balfour
The position MX on the ordinate marks the beginning of the second period.
Essay on the Creative Imagination|Th. Ribot

British Dictionary definitions for Mx (1 of 3)

the internet domain name for

Mexico

British Dictionary definitions for Mx (2 of 3)

/ physics /

symbol for

maxwell

British Dictionary definitions for Mx (3 of 3)

/ US /

abbreviation for

missile-experimental: an intercontinental ballistic missile with up to ten nuclear warheads

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012